Brian Naylor

Nov. 22 will mark the 50th anniversary of the assassination of President John F. Kennedy in Dallas, a moment that left an indelible mark on those who remember it.

It also permanently changed the agency charged with protecting the president — the U.S. Secret Service.

Looking back at the images ...

This has not been an easy month for Health and Human Services Secretary Kathleen Sebelius.

Republican Sen. Pat Roberts of Kansas — who learned the political ropes working for Sebelius' father-in-law, then a Kansas congressman — called for her to step down over the debut of HealthCare.gov, the problem-plagued ...

In the grand days of railroad travel, passengers arrived in monumental terminals. There was grandeur, style and comfort — qualities that today's equivalent for long-distance travel, the airport, mostly lack. Especially in the United States.

In a survey of international travelers by the British firm Skytrax, not a single U.S. ...

Fifty years ago this week, when hundreds of thousands of demonstrators came from across the country to take part in the 1963 March on Washington, the city was not yet the cosmopolitan capital that it arguably is today.

But it was a mecca for African-Americans, says historian Marya McQuirter.

"Washington ...

The cars we drive have gotten ever more sophisticated. They can just about park themselves; they tell us if we're drifting out of our lane; they can prevent skids. Some even automatically apply the brakes if they sense that a collision is imminent.

Engineers at Carnegie Mellon University in ...

The U.S. Postal Service lost some $16 billion last year and continues to bleed red ink. Congress has been unable to agree on a rescue plan.

The latest proposal would allow the post office to end Saturday delivery in a year and enable it to ship wine and beer.

The ...

The Internal Revenue Service, under attack by congressional Republicans, has been operating without a permanent commissioner. President Obama nominated John Koskinen on Thursday for what might be seen as a thankless job.

The president called his nominee "an expert at turning around institutions in need of reform." But Koskinen will ...

Janet Napolitano's announcement that she'll be stepping down as Department of Homeland Security secretary after four years on the job leaves an opening at the top of the key Cabinet agency. But it's not the only job opening at Homeland Security.

Fifteen top posts at DHS, including secretary, are now ...